Change the deferred library check tool to allow unspecified packages to be in

lib/json_info_codec.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Converters and codecs for converting between JSON and [Info] classes.
 part of dart2js_info.info;
 
 // TODO(sigmund): add unit tests.
 class JsonToAllInfoConverter extends Converter<Map, AllInfo> {
   Map<String, Info> registry;
@@ skipping 282 matching lines @@
       'toJsonDuration': info.toJsonDuration,
       'dumpInfoDuration': '${info.dumpInfoDuration}',
       'noSuchMethodEnabled': info.noSuchMethodEnabled,
       'minified': info.minified,
     };
   }
 
   Map _visitBasicInfo(BasicInfo info) {
     var res = {
       'id': info.serializedId,
-      'kind': _kindToString(info.kind),
+      'kind': kindToString(info.kind),
       'name': info.name,
       'size': info.size,
     };
     // TODO(sigmund): Omit this also when outputUnit.id == 0 (most code is in
     // the main output unit by default).
     if (info.outputUnit != null) res['outputUnit'] =
         info.outputUnit.serializedId;
     if (info.coverageId != null) res['coverageId'] = info.coverageId;
     if (info.parent != null) res['parent'] = info.parent.serializedId;
     return res;
@@ skipping 104 matching lines @@
   visitTypedef(TypedefInfo info) => _visitBasicInfo(info)..['type'] = info.type;
 
   visitOutput(OutputUnitInfo info) =>
       _visitBasicInfo(info)..['imports'] = info.imports;
 }
 
 class AllInfoJsonCodec extends Codec<AllInfo, Map> {
   final Converter<AllInfo, Map> encoder = new AllInfoToJsonConverter();
   final Converter<Map, AllInfo> decoder = new JsonToAllInfoConverter();
 }